All 4 Uses

advocate
in
This I Believe
(Auto-generated)

I moved to Washington to work as an advocate.
Chpt 53 *

advocate = spokesperson (supporter of a cause)
Sullivan addresses political and social issues and advocates for gay rights.
Chpt 72 *

advocates = publicly supports
Considered one of the most active and influential First Ladies in U.S. history, she advocated racial equality, women's rights, and world peace.†
Chpt 63
A lifelong advocate for birth control and women's rights, she founded the American Birth Control League in 1921, which later became the Planned Parenthood Federation of America.†
Chpt 66

Definitions:

(1) (advocate as in: to advocate)
to recommend or publicly support (someone or something)
(2) (advocate as in: an advocate supporting)
a person who publicly supports and works to advance a cause

or more rarely:

someone acting in the role of a defense lawyer in England's past and in some jurisdictions today
(3) (advocate as in: an advocate in court)
a lawyer or officer of the court in some jurisdictions in Europe, colonial America, and the military
(4) (devil's advocate as in: I'll play the devil's advocate)
a person who takes an unpopular position to encourage debate or test ideas
(5) (meaning too rare to warrant focus)